Semi-submersible gas burner



FIG. 1 is a perspective view focusing on the top end of the semi-submersible gas burner;

FIG. 2 is a perspective view focusing on the bottom end of the semi-submersible gas burner;

FIG. 3 is a top view of the semi-submersible gas burner;

FIG. 4 is bottom view of the semi-submersible gas burner;

FIG. 5 is a side view of the semi-submersible gas burner;

FIG. 6 is a side view of the semi-submersible gas burner, rotated by 90 degrees from the view of FIG. 5;

FIG. 7 is a side view of the semi-submersible gas burner, rotated by 180 degrees from the view of FIG. 5; and,

FIG. 8 is a side view of the semi-submersible gas burner, rotated by 270 degrees from the view of FIG. 5.

The broken lines depict unclaimed portions of the semi-submersible gas burner and form no part of the claimed design. 

CLAIM The ornamental design for a semi-submersible gas burner, as shown and described. 